42030162557 has 2 divisors, whose sum is σ = 42030162558. Its totient is φ = 42030162556.

The previous prime is 42030162547. The next prime is 42030162571. The reversal of 42030162557 is 75526103024.

42030162557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28235425156 + 13794737401 = 168034^2 + 117451^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030162557 - 2⁴ = 42030162541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030162547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015081278 + 21015081279.

It is an arithmetic number, because the mean of its divisors is an integer number (21015081279).

Almost surely, 2^42030162557 is an apocalyptic number.

It is an amenable number.

42030162557 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030162557 is an equidigital number, since it uses as much as digits as its factorization.

42030162557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 42030162557 in words is "forty-two billion, thirty million, one hundred sixty-two thousand, five hundred fifty-seven".